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SpaceTime

DanT
Posts: 5,693
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6/18/2013 3:35:40 PM
Posted: 3 years ago
Are these graphs an accurate representation of space-time? Just wanted some feedback.

Please remain constructive.

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"Chemical weapons are no different than any other types of weapons."~Lordknukle
Poetaster
Posts: 587
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6/18/2013 5:34:13 PM
Posted: 3 years ago
Both images seem to be drawings of a tesseract. The tesseract has little to do with spacetime other than being 4-dimensional (more properly, spacetime is characterized as Minkowskian).
"The book you are looking for hasn't been written yet. What you are looking for you are going to have to find yourself, it's not going to be in a book..." -Sidewalker
the_croftmeister
Posts: 678
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6/18/2013 10:17:29 PM
Posted: 3 years ago
Perhaps he meant that this is a depiction of a unit block in spacetime? Being four dimensional, such a thing would be projected as a tesseract in 2d.
The second one, I think he was drawing worldlines? Though they should form a cone, not follow one of the axes. Just my guess.
tBoonePickens
Posts: 3,266
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6/19/2013 10:54:25 AM
Posted: 3 years ago
At 6/18/2013 3:35:40 PM, DanT wrote:
Are these graphs an accurate representation of space-time? Just wanted some feedback.

Please remain constructive.

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Both of he previous posts are correct. This is a geometric "abstraction" of spacetime; a 2D "representation" of a 4D object.
WOS
: At 10/3/2012 4:28:52 AM, Wallstreetatheist wrote:
: Without nothing existing, you couldn't have something.
DanT
Posts: 5,693
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6/20/2013 1:45:59 PM
Posted: 3 years ago
At 6/18/2013 5:34:13 PM, Poetaster wrote:
Both images seem to be drawings of a tesseract. The tesseract has little to do with spacetime other than being 4-dimensional (more properly, spacetime is characterized as Minkowskian).

When I made them I wanted to represent Space as Width x Length x Height, rather than a Hyperplane. As croftmeister said, it was a depiction of a unit block.
"Chemical weapons are no different than any other types of weapons."~Lordknukle
DanT
Posts: 5,693
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6/20/2013 1:46:55 PM
Posted: 3 years ago
At 6/18/2013 10:17:29 PM, the_croftmeister wrote:
Perhaps he meant that this is a depiction of a unit block in spacetime? Being four dimensional, such a thing would be projected as a tesseract in 2d.
The second one, I think he was drawing worldlines? Though they should form a cone, not follow one of the axes. Just my guess.

No the second one was a drawing of a point in space-time. Or one's position within the unit block.
"Chemical weapons are no different than any other types of weapons."~Lordknukle
YYW
Posts: 36,417
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6/20/2013 2:36:02 PM
Posted: 3 years ago
At 6/20/2013 1:46:55 PM, DanT wrote:
If you conceive of its rotation, as seen here, then yes:

http://en.wikipedia.org...

This may be redundant, but it may be useful, Dan:

http://www.uio.no...

If not, then no worries.

Very interesting, though.
Tsar of DDO
DanT
Posts: 5,693
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6/20/2013 10:48:35 PM
Posted: 3 years ago
At 6/20/2013 2:36:02 PM, YYW wrote:
At 6/20/2013 1:46:55 PM, DanT wrote:
If you conceive of its rotation, as seen here, then yes:

http://en.wikipedia.org...

This may be redundant, but it may be useful, Dan:

http://www.uio.no...

If not, then no worries.

Very interesting, though.

Thank you I was looking for something like this.
"Chemical weapons are no different than any other types of weapons."~Lordknukle
YYW
Posts: 36,417
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6/21/2013 12:31:38 AM
Posted: 3 years ago
At 6/20/2013 10:48:35 PM, DanT wrote:
At 6/20/2013 2:36:02 PM, YYW wrote:
At 6/20/2013 1:46:55 PM, DanT wrote:
If you conceive of its rotation, as seen here, then yes:

http://en.wikipedia.org...

This may be redundant, but it may be useful, Dan:

http://www.uio.no...

If not, then no worries.

Very interesting, though.

Thank you I was looking for something like this.

No worries =)
Tsar of DDO